package com.qf.service;

import com.qf.entity.Student;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Map;

@Service
public interface StudentService {
	Student getStudent( Integer id);
	Integer insertMany( List< Student > list );
	Integer insertStudents( List<Student> list );

	String selectName();

	List<Map<Object,Object>> selectSum();
	List<Map<Object,Object>> selectSubject();

	Integer copyTable();
}
